kernel/linux.git/drivers/gpu/drm/amd/display/modules, branch linux-5.11.y

drm/amd/display: add handling for hdcp2 rx id list validation

2021-05-19T08:29:34+00:00

[ Upstream commit 4ccf9446b2a3615615045346c97f8a1e2a16568a ] [why] the current implementation of hdcp2 rx id list validation does not have handler/checker for invalid message status, e.g. HMAC, the V parameter calculated from PSP not matching the V prime from Rx. [how] return a generic FAILURE for any message status not SUCCESS or REVOKED. Signed-off-by: Dingchen (David) Zhang Reviewed-by: Bhawanpreet Lakha Acked-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amd/display: gradually ramp ABM intensity

2020-12-23T20:01:47+00:00

[Why] Need driver to pass values of backlight ramp start and ramp reduction so that intensity can be ramped down appropriately. [How] Using abm_parameters structure to get these values from driver. Signed-off-by: Rizvi Acked-by: Bindu Ramamurthy Signed-off-by: Alex Deucher

drm/amd/display: Modify the hdcp device count check condition

2020-12-23T20:01:34+00:00

[why] Some MST display may not report the internal panel to DEVICE_COUNT, that makes the check condition always failed. [how] To update this condition with the reported device count + 1 (because the immediate repeater's internal panel is possibly not included in DEVICE_COUNT) Signed-off-by: Martin Tsai Acked-by: Bindu Ramamurthy Signed-off-by: Alex Deucher

drm/amd/display: Fix OGAM LUT calculation precision

2020-12-15T16:34:35+00:00

[Why] The OGAM LUT precision was accumulating too much error in the higher end. [How] Instead of calculating all points of the LUT in relation to the previous ones, perform a full calculation in one of the intermediate segments to stop error propagation. Signed-off-by: Felipe Clark Reviewed-by: Krunoslav Kovac Acked-by: Qingqing Zhuo Signed-off-by: Alex Deucher

drm/amd/display: Set FixRate bit in VSIF V3

2020-12-09T04:03:04+00:00

[Why] Signal FreeSync display that we are in Fixed Rate mode, and expand the FreeSync range to 1024. [How] Set the new bit in SB16:bit0, and augment the min and max refresh rate with 2 extra bits. Signed-off-by: AMD\ramini Reviewed-by: Anthony Koo Acked-by: Eryk Brol Signed-off-by: Alex Deucher

drm/amd/display: Implement VSIF V3 extended refresh rate feature

2020-12-09T04:02:57+00:00

[Why] Implement feature of VSIF V3 [How] Set refresh rate MSB for extended range Signed-off-by: Reza Amini Reviewed-by: Anthony Koo Acked-by: Eryk Brol Signed-off-by: Alex Deucher

drm/amdgpu: fold CONFIG_DRM_AMD_DC_DCN3* into CONFIG_DRM_AMD_DC_DCN (v3)

2020-11-04T22:11:37+00:00

Avoids confusion in configurations. v2: fix build when CONFIG_DRM_AMD_DC_DCN is disabled v3: rebase on latest code Reviewed-by: Luben Tuikov (v1) Signed-off-by: Alex Deucher

drm/amd/display: set hdcp1 wa re-auth delay to 200ms

2020-11-02T20:32:03+00:00

[Why] Fail and restart timing for HDCP1 retry occurs too quickly. This would cause some MST monitors to show black screen. [How] Adjusted timing of fail and restart to 200ms. Signed-off-by: Jake Wang Reviewed-by: Wenjing Liu Acked-by: Qingqing Zhuo Signed-off-by: Alex Deucher

drm/amdgpu: fix build_coefficients() argument

2020-11-02T01:02:01+00:00

gcc -Wextra warns about a function taking an enum argument being called with a bool: drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c: In function 'apply_degamma_for_user_regamma': drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c:1617:29: warning: implicit conversion from 'enum ' to 'enum dc_transfer_func_predefined' [-Wenum-conversion] 1617 | build_coefficients(&coeff, true); It appears that a patch was added using the old calling conventions after the type was changed, and the value should actually be 0 (TRANSFER_FUNCTION_SRGB) here instead of 1 (true). Fixes: 55a01d4023ce ("drm/amd/display: Add user_regamma to color module") Reviewed-by: Harry Wentland Signed-off-by: Arnd Bergmann Signed-off-by: Alex Deucher

drm/amd/display: remove unneeded semicolon

2020-10-30T05:03:02+00:00

A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix Signed-off-by: Alex Deucher